Radio frequency aperture



FIG. 1 is a perspective view of the claimed design for a radio frequencyaperture; and,

FIG. 2 is a top plan view thereof.

The broken lines immediately adjacent to the claimed area depictboundaries of the claimed design and form no part thereof. The brokenlines showing the remainder of the radio frequency aperture depictenvironmental structure and form no part of the claimed design.

CLAIM The ornamental design for a radio frequency aperture, as shown anddescribed.